// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#include <utility>
#include <cantor/parser/parser.h>
#include <cantor/transform/functions/when_clause_func.h>
#include <cantor/transform/expr.h>
#include <cantor/transform/exprs/when_clause.h>

namespace cantor::transform {

    void TransFuncWhenClause::resolve_ast(const cantor::parser::FuncWhenClause*node) {
        if (!node) {
            status = turbo::data_loss_error("no expr");
            return;
        }
        if (!node->when_clause) {
            status = turbo::data_loss_error("no when_clause");
            return;
        }
        status = TransWhenClause::resolve_to(node->when_clause, func_when_clause.mutable_when_clause());
        if (!status.ok()) {
            return;
        }
        set_proto_location(node, func_when_clause.mutable_location());
        set_proto_status(func_when_clause.mutable_status());
    }

    const turbo::Status &TransFuncWhenClause::check() {
        if (!status.ok()) {
            return status;
        }
        return status;
    }

    turbo::Status TransFuncWhenClause::resolve_to(turbo::Nonnull<const cantor::parser::FuncWhenClause*> node, turbo::Nonnull<pb::ast::FuncWhenClause*>out) {
        TransFuncWhenClause translator;
        translator.resolve_ast(node);
        auto status = translator.check();
        if (!status.ok()) {
            return status;
        }
        *out = std::move(translator.func_when_clause);
        return status;
    }
}  // namespace cantor::transform
